Design study of a L-band DC photocathode gun

朱雄伟,; 王书鸿,; 陈森玉,

doi:10.1088/1674-1137/33/4/015

Cited by 2 publications

(1 citation statement)

References 4 publications

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“…[7] Metamaterials change some common properties of light and electromagnetic waves because the microstructure design of the metamaterial is smaller than the wavelength of action of the material. [8][9][10][11][12] It has great advantages in the design of broadband absorbers, the realization of broadband impedance matching, the miniaturization of absorbing structures, the realization of light and thin characteristics, and the use of indium tin oxide, graphene, and other materials to achieve microwave absorption and visible light transparency. There are many ways to realize ultra-broadband absorbers.…”

Section: Introductionmentioning

confidence: 99%

Design of an optically-transparent ultra-broadband microwave absorber

et al. 2023

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The optical window of the low-observable platform needs to be compatible with ultra-broadband absorption, hence an optically-transparent absorber with ultra-broadband absorption is designed and analyzed in this paper. The transparent materials indium-tin-oxide (ITO) film and polymethylmethacrylate (PMMA) are selected as the lossy layer and the supporting dielectric layer, respectively. The optically-transparent ultra-broadband absorber (OT-UBA) is composed of three layers of ITO square patterns, three layers of PMMA dielectric and a uniform ITO plane. The ITO square patterns can realize arbitrary equivalent series RC (resistor & capacitor) circuit, so that three layers of ITO square patterns together with the ITO plane can achieve ultra-broadband absorption based on the equivalent circuit optimization. Measured results shows that the 90%-absorption bandwidth covers 2-17 GHz while the light transmittance achieves 59.6% with the total thickness of only 12.9 mm.

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Section: Introductionmentioning

confidence: 99%

Design of an optically-transparent ultra-broadband microwave absorber

et al. 2023

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Design study of a L-band photocathode RF injector

朱雄伟¹,

王书鸿²,

陈森玉³

2010

Chinese Phys. C

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In the proposal of the Beijing Advanced Light Source, a compact combination of XERL and XFEL using a common SC linac is being considered. In the meantime, an ERL-FEL test facility is being proposed and will be used for THz radiation. In this test facility, a L-band photocathode RF injector is needed. In this paper, we give the physical design of the L-band photocathode RF injector for the test facility.

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Design study of a L-band DC photocathode gun

Abstract: In this paper, we the design study of a L-band DC photocathode gun injector for the ERL (Energy Recovery Linac) test facility. The main parameters of the injector are energy of 2.3 MeV, a bunch length of 2 ps, and a normalized emittance of 2.1 mm•mrad.

Cited by 2 publications

References 4 publications

Design of an optically-transparent ultra-broadband microwave absorber

Design of an optically-transparent ultra-broadband microwave absorber

Design study of a L-band photocathode RF injector

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